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SERVICE MANUAL
LCD Color Television
The above models are classified as green products (*1), as indicated by the underlined serial numbers.
This Service Manual describes replacement parts for the green products. When repairing these green
products, use the parts described in this manual and lead-free solder (*2).
For (*1) and (*2), see the next page.
TOSHIBA CORPORATION, 2005
FILE NO. 060-200513GR
42WL58A
42WL58E
42WL58R
42WL58T
Published in Japan, Nov. 2005 (YC)
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Related Manuals for Toshiba 42WL58A
Summary of Contents for Toshiba 42WL58A
- Page 1 This Service Manual describes replacement parts for the green products. When repairing these green products, use the parts described in this manual and lead-free solder (*2). For (*1) and (*2), see the next page. TOSHIBA CORPORATION, 2005 Published in Japan, Nov. 2005 (YC)
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Page 2: Table Of Contents
Hazardous Substances. From July 1, 2006, the RoHS Directive will prohibit any marketing of new products containing the restricted substances. Increasing attention is given to issues related to the global environmental. Toshiba Corporation recognizes environmental protection as a key management tasks, and is doing its utmost to enhance and improve the quality and scope of its environmental activities. -
Page 3: Service Instructions
SAFETY INSTRUCTIONS WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “SAFETY PRECAUTION” AND “PRODUCT SAFETY NOTICE” INSTRUCTIONS BELOW. SAFETY PRECAUTION WARNING: SERVICE SHOULD NOT BE ATTEMPTED BY ANYONE UNFAMILIAR WITH THE NECESSARY PRECAU- TIONS ON THIS RECEIVER. THE FOLLOWING ARE THE NECESSARY PRECAUTIONS TO BE OBSERVED BEFORE SERVICING THIS CHASSIS. - Page 4 Annex D (normative) Measuring network for TOUCH CURRENTS 1500 Ω 0.22 µF Test TERMINALS 10 kΩ 0.022 µF 500 Ω IEC 802/96 Resistance values in ohms (Ω Ω Ω Ω Ω ) V: Voltmeter or oscilloscope (r.m.s. or peak reading) Ω...
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Page 5: Handling The Lcd Module
HANDLING THE LCD MODULE Safety Precautions 3. If the panel surface becomes soiled, wipe with cotton or a In the event that the screen is damaged or the liquid crystal soft cloth. If this does not remove the soiling, breathe on (fluid) leaks, do not breathe in or drink this fluid. - Page 6 7. Do not expose the LCD module to direct sunlight or strong ultraviolet rays for an extended period of time. 8. Do not store the LCD module below the temperature con- ditions described in the specifications. Failure to do so could result in freezing of the liquid crystal due to cold air or loss of resilience or other damage.
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Page 7: Service Mode
SERVICE MODE 1. ENTERING SERVICE MODE 1) Press button once on 2) Press button again and 3) While pressing the button, Remote Control. keep pressing. press MENU button on TV set. ADDR DATA BINARY 0000H 00H 00000000B or Sound Mute (Service mode display) DISPLAYING THE ADJUSTMENT MENU 1) Press MENU button on TV. - Page 8 4. SELECTING THE ADJUSTING ITEMS 1) Every pressing of CHANNEL s button in the service mode changes the adjustment items in the order of table-2. (t button for reverse order) 5. ADJUSTING THE DATA 1) Pressing of VOLUME ; +/– button will change the value of data in the range from 00H to FFH. The variable range depends on the adjusting item.
- Page 9 Bus cont CXA2189Q(90H) Block V3 V4 V5 12345678 42WL58A Firmware : Version information of microprocessor In case of file name : WL58_ASIA and Version : 0100 indicates[WL58_ASIA_0100]. Time : Total hour of turn the TV on. (Unit : H) Bus line : --"OK" is normal "SCL-GND"(Red indication) : SCL-GND short circuit...
- Page 10 OPTION : 00 11 22 33 44 55 HDMI ID : 11223344 12345678 42WL58A LPL-42 MAIN MPU : Version information of microprocessor In case of file name : WL58_ASIA, Version 0100 for Code Program Version and (E16) for OSD Version indicates [WL58_ASIA_0100(E16)] EEPROM : Version information of EEPROM : Display 1 byte data.
- Page 11 10. STATUS CHECK MODE 1) Press “9” button thrice on Remote Control during display of adjustment menu in the service mode. The status of this model will begin to check. 2) During Status Check, the following displays are shown. Status check MAIN : EXT1 MAIN FORMAT...
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Page 12: Location Of Controls
LOCATION OF CONTROLS TV TOP, TV FRONT TV top view TV front view You can swivel the TV screen. Swivel angle: 15 degrees to Top view left and right. / Power switch Remote sensor Input source Power indicator Volume – + Power selection (red) - Page 13 TV BACK Left side view Right side view TV back view (1) Video 1 Card into the slot input terminals Squeeze tab and pull he to open the door. (C1) COMPONENT RGB/PC VIDEO INPUT input terminals Power cord HDMI 2 Cable holder input termin (C2)
- Page 14 : To control TV VCR : To control VCR DVD : To control DVD When in VCR or DVD mode: When in Teletext mode: (Only for Toshiba VCR/DVD To reveal concealed text players) To hold a wanted page to EJECT...
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Page 15: Layout Of Major Boards
LAYOUT OF MAJOR BOARDS U003B FRONT AV BOARD U003G PC HDMI BOARD U003A TN AV BOARD U004 LOW B BOARD U003D KEY BOARD U005 BRIDGE MEDIA BOARD U002A POWER BOARD U001 U003F SIGNAL BOARD POWER SW BOARD U003C U002B RMT LED BOARD AC IN BOARD - 15 -... -
Page 16: Mechanical Disassembly
MECHANICAL DISASSEMBLY 1. Remove the stand (foot) and back cover. A450 A445 × 5 A410 × 16 A411 A401 × 5 A440 A420 2. Remove the boards (FRONT AV, KEY, POWER SW, PC HDMI, BRIDGE MEDIA). PP4 × 8+SW+W SBN ×... - Page 17 3. Remove the boards (SIGNAL, POWER, AC IN, TN AV, RMT LED, LOW B) and speakers. PP3 × 8+SW+W ECO × 6 PP3 × 8+SW+W ECO PP3 × 8+SW+W ECO × 5 U003A × 4 PP3 × 8+SW+W ECO × 8 U001 U004 A375 ×...
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Page 18: Exploded View
EXPLODED VIEWS 1. Chassis Block A445 A450 × 5 A410 A411 × 16 A401 B310 × 2 B315 × 4 PP4 × 8+SW+W SBN PP4 × 8+SW+W SBN × 5 × 3 A375 × 2 B315 × 2 A340 PP3 × 8+SW+W ECO ×... - Page 19 2. Main Block PP3 × 8+SW+W ECO U003A × 6 PP3 × 8+SW+W ECO U004 PP3 × 8+SW+W ECO × 8 × 4 PP3 × 8+SW+W ECO × 4 PP3 × 8+SW+W ECO × 5 U001 PP4 × 8+SW+W SBN U002A ×...
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Page 20: Packing Disassembly
PACKING DISASSEMBLY A705 A701A A701E A701R A701T A705 A702A Y101A A702A Y101H Y101J Y101K Y130 Y101M Y170 A702B A709 A702B A701B - 20 -... -
Page 21: Chassis And Cabinet Replacement Parts List
• The part number must be used when ordering parts, in order to assist in processing, be sure to include the Model number and Description. ∗ • The PC board assembly with mark is no longer available after the end of the production. Model : 42WL58A/E/R/T Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors .... - Page 22 Location Location Parts No. Description Parts No. Description C821 76125011 CHEMICON CE04R 450V 82UF M 4A C8212 76092178 CERAMIC CHIP, 25V B 0.1UF K C822 76214103 CERAMIC DISC, 500V B 0.01UF K C8213 76109102 CERAMIC CHIP, 50V B 1000PF K C824 76168008 MT PLA 450V 1UF K...
- Page 23 Location Location Parts No. Description Parts No. Description CS09 76092611 CERAMIC CHIP, 6.3V B 2.2UF K CV40 76100104 CERAMIC CHIP, 25V F 0.1UF Z CS10 76092628 CERAMIC CHIP, 6.3V B 10UF K CV41 76100104 CERAMIC CHIP, 25V F 0.1UF Z CS11 76092628 CERAMIC CHIP, 6.3V B 10UF K...
- Page 24 Location Location Parts No. Description Parts No. Description R653 76011223 CHIP, 1/20W 22K OHM J R8117 76000574 METAL FILM CHIP 1/16W 2.7K F R654 76011103 CHIP, 1/20W 10K OHM J R8118 76000574 METAL FILM CHIP 1/16W 2.7K F R655 76011222 CHIP, 1/20W 2.2K OHM J R8130 76871182...
- Page 25 Location Location Parts No. Description Parts No. Description R8606 76011103 CHIP, 1/20W 10K OHM J RE61 76000360 METAL FILM, 1/4W 1.2K OHM F R8607 76872221 CHIP, 1/16W 220 OHM J RE63 76366102 CARBON FILM, 1/6W 1K OHM J R8701 76000595 CHIP RESISTOR 1/16W 15K F RE65 76367620...
- Page 26 Location Location Parts No. Description Parts No. Description RS63 76011473 CHIP, 1/20W 47K OHM J RV28 76011103 CHIP, 1/20W 10K OHM J RS64 76011682 CHIP, 1/20W 6.8K OHM J RV29 76011103 CHIP, 1/20W 10K OHM J RS65 76011182 CHIP, 1/20W 1.8K OHM J RV31 76011104 CHIP, 1/20W 100K OHM J...
- Page 27 Location Location Parts No. Description Parts No. Description COIL & TRANSFORMERS SEMICONDUCTORS L101 23248398 COIL, CHOKE, TLN3278D Q101 23205506 TRANSISTOR, 2SC4081 Q L102 23103828 INDUCTOR, BEAD, TEM2121M Q501 23085049 IC, TB1274BFG(DRY) L103 23103828 INDUCTOR, BEAD, TEM2121M Q504 23205507 TRANSISTOR, 2SA1576A Q L104 23103828 INDUCTOR, BEAD, TEM2121M...
- Page 28 Location Location Parts No. Description Parts No. Description QE01 23205376 TRANSISTOR, 2SC5343-Y(BULK) D815 23357692 DIODE, ZENER, RD2.0ESA B2 QE02 23205376 TRANSISTOR, 2SC5343-Y(BULK) D816 23357738 DIODE, ZENER, MA8047-L QE03 23205315 TRANSISTOR, RN1206(F) D819 23357718 THYRISTOR, SF0R3G42(N,G5H1) QE10 23135077 IC, SI-3090CA D820 23357913 DIODE, RBV-1506, LF-A QE11...
- Page 29 Location Location Parts No. Description Parts No. Description DA06 23357751 DIODE, ZENER, MA8068-M GR152 76000445 CHIP JUMPER, 1608TYPE DA07 23357751 DIODE, ZENER, MA8068-M GR153 76000445 CHIP JUMPER, 1608TYPE DB01 23358606 DIODE, LED RED, SLR-56VC3FPQ GR25 76000445 CHIP JUMPER, 1608TYPE DB02 23358605 DIODE, LED GREEN, SLR-56MC3FPQR GR26...
- Page 30 Description P6621 23023302 EARPHONE JACK U003C 75001752 PC BOARD ASSY, PD2235B3 RMT LED P801 #1 23372294 POWER CORD, SAA 2.3M 7.5A 42WL58A U003D 75001753 PC BOARD ASSY, PD2235B4 KEY #2 23372356 POWER CORD, UK-HK-PSB 10A MP5004SC 42WL58E U003F 75001755 PC BOARD ASSY, PD2235B6 POWER SW #3 23372298 POWER CORD, 250V2.5A CEE-FL 42WL58R...
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Page 31: Pc Boards Top & Bottom View
SIGNAL BOARD PD2238E1 (U001) BOTTOM (FOIL) SIDE - 31 - - 32 -... - Page 32 SIGNAL BOARD PD2238E1 (U001) TOP (COMPONENT) SIDE - 33 - - 34 -...
- Page 33 POWER BOARD PD2171A1 (U002A) BOTTOM (FOIL) SIDE R8395 CAUTION D8805 Q8801 F820 23547832 D8805 LIVE AREA D863 F2AL 250V Q8391 Q880A E-568 IS-P C3A L860 R8815 Q880 R867 Q820 R8803 L886 D822 Q860 L823 L824 Q8191 Q860A C819 C826 C827 C8250 R8802 C886...
- Page 34 TN AV BOARD PD2235B1 (U003A) BOTTOM (FOIL) SIDE PV01A EXT1 & EXT2 PV02A PV02B EXT4 EXT5 MONI,AUDIO,WOOFER PV03 PV04 PV05 RV237 RV245 RV246 RV240 RV240 RV236 RV237 RV244 RV244 RV245 RV246 RV236 P515B RV241 RV234 RV212 RV235 P517B RC03 RS16 RV234 RV211 RV212...
- Page 35 TN AV BOARD PD2235B1 (U003A) TOP (COMPONENT) SIDE MONI,AUDIO,WOOFER EXT5 EXT4 EXT1 & EXT2 GRV50 GRV61 GRV50 GRV61 LV27 GRV49 LV27 P515B LV24 LV24 GRV55 GRV49 GRV60 GRV60 GRV46 C107 GRV55 GRV48 GRV59 GRV46 LV26 LV43 LV43 GRV57 LV23 LV25 GRV54 GRV54 LV22...
- Page 36 FRONT AV BOARD PD2235B2 (U003B) FRONT AV BOARD PD2235B2 (U003B) BOTTOM (FOIL) SIDE TOP (COMPONENT) SIDE R-HP P602B P602B C607 10 11 12 C607 PV25B PV25B D652 R-1786 DV122 DV122 23590314 D653 DV121 DV121 D653 23547871 PD2235 CV122 DV120 CY650 DV120 CV122 P661...
- Page 37 PC HDMI BOARD PD2235B7 (U003G) PC HDMI BOARD PD2235B7 (U003G) BOTTOM (FOIL) SIDE TOP (COMPONENT) SIDE P6621 PS021 PS011 PS011 PS021 RC141 CC161 RC531 CC171 RC521 CC151 RC511 CC141 RC141 CC161 RC531 CC171 RC521 CC151 RC511 CC141 PV901 GR615 GR616 GR616 GR615 PD2235...
- Page 38 AC IN BOARD PD2171A2 (U002B) BOTTOM (FOIL) SIDE GAP1 GAP2 GAP3 GAP4 GAP6 GAP5 P801A P802A T801 T802 23547832 CAUTION E-568 LIVE AREA F801 T6.3AH 250V IS-P C3A BRIDGE MEDIA BOARD PD2305A1 (U005) BRIDGE MEDIA BOARD PD2305A1 (U005) BOTTOM (FOIL) SIDE TOP (COMPONENT) SIDE - 45 - - 46 -...
- Page 39 SCHEMATIC DIAGRAM MODEL : 42WL58A/E/R/T WARNING : BEFORE SERVICING THIS CHASSIS, READ THE "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" INSTRUCTIONS ON PAGES 3 AND 4 OF THIS MANUAL. CAUTION : The international hazard symbols " " in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.
- Page 40 FRONT AV ................................ 21/80 RMT LED ................................22/80 KEY ................................... 23/80 POWER SW ..............................24/80 PC HDMI ................................25/80 LOW B CONNECTOR [SHEET-1/2] ..26/80 LOWB [SHEET-2/2] ..27/80 SIGNAL ANALOG IN [SHEET-200] ..28/80 PIP VCD [SHEET-206] ..29/80 REG/RESET [SHEET-207] ..
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Page 43: Specifications
SPECIFICATIONS 42WL58A, 42WL58E, 42WL58R, 42WL58T Model 42WL58A : 220V - 240V AC, 50Hz Power source 42WL58E : 220V - 240V AC, 50/60Hz 42WL58R : 220V - 240V AC, 50Hz 42WL58T : 110V - 240V AC, 50/60Hz Power consumption 245W, 0.5W (standby) 1,044 mm (W) ×...